380 CTS MASSIVE OPAL SLAB FROM YOWAH [BMA1328]

Item Information

Dimensions (mm) 117 x 47 x 13mm
Weight (carats) 380 carats
Colors

LANDSCAPE PICTURE

This is a interesting slab of material we call conglomerate or opal nuts in a biscut band.It may be kept as a specimen or you can polish it.This material does have natural holes in it and the sandy areas are hard to polish.In asia the cutters rub fine boulder ironstone [you can collect this in the cutting machine tray by grinding some material away and allow to dry]. They then rub this powder in to the rough and heat it up.Then they apply super glue to it and polish.This gives a good glossy finish.

1h 59m 25s

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Pricing & Details

Bid Increment $1.00
Starting Bid $46.00
Auction ID 133566
Watchers 0 watching
Viewed 502 times
Starts 18th Sep 2017 9:03pm PDT
Ends 19th Sep 2017 9:00pm PDT

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